[SMTPClient
deliverMailFrom: sender
to: recipient
text: message
usingServer: 'mail.google.com']
on: Error
do:["Transcript show:'Sumthing went wrong'"].
如果SMTPClient
提出一个Error
说法TelnetProtocolError
或ConnectionTimedOut
。让成绩单显示我的信息的正确方法是什么?